Specifications Ultimate vacuum: 3x10-1Pa, 25 microns Pump rotating speed: 2000 r/min Type: 2-stage vacuum pump Oil capacity of Pump: 500 ml Free air displacement: 10 CFM, 254 L/M Note: Oil are not included Power/voltage: 1HP, 110V/50-60HZ Suitable for all refrigerants: R12, R134a, R22, R410a, R404, R502 etc Package Content 1 x 10CFM 2 Stages 1HP Refrigerant Vacuum Pump